Update content unit tests for engine modloader changes.

Content.Tests/ContentUnitTest.cs

@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+using System.Reflection;
 using Content.Client;
 using Content.Server;
 using Robust.UnitTesting;
@@ -19,5 +21,26 @@ namespace Content.Tests
                 ClientContentIoC.Register();
             }
         }
+
+        protected override Assembly[] GetContentAssemblies()
+        {
+            var l = new List<Assembly>
+            {
+                typeof(Content.Shared.EntryPoint).Assembly
+            };
+
+            if (Project == UnitTestProject.Server)
+            {
+                l.Add(typeof(Content.Server.EntryPoint).Assembly);
+            }
+            else if (Project == UnitTestProject.Client)
+            {
+                l.Add(typeof(Content.Client.EntryPoint).Assembly);
+            }
+
+            l.Add(typeof(ContentUnitTest).Assembly);
+
+            return l.ToArray();
+        }
     }
 }